func getIntNames(netID string, docker *dockerclient.Client) (*intNames, error) {
net, err := docker.NetworkInspect(context.Background(), netID)
if err != nil {
log.Errorf("Error getting networks: %v", err)
return nil, err
}
names := &intNames{}
if net.Driver != "vxlan" {
log.Errorf("Network %v is not a vxlan network", netID)
return nil, errors.New("Not a vxlan network")
}
names.VxlanName = "vx_" + netID[:12]
// get interface names from options first
for k, v := range net.Options {
if k == "vxlanName" {
names.VxlanName = v
}
}
return names, nil
}
func getGateway(netID string, docker dockerclient.Client) (string, error) {
net, err := docker.NetworkInspect(context.Background(), netID)
if err != nil {
log.Errorf("Error inspecting network: %v", err)
return "", err
}
for _, config := range net.IPAM.Config {
if config.Gateway != "" {
return config.Gateway, nil
}
}
return "", nil
}
// PurgeOnionNetwork purges an onion network, disconnecting all containers with
// it. We assume that nobody is adding containers to this network.
func PurgeOnionNetwork(cli *client.Client, network string) error {
inspect, err := cli.NetworkInspect(network)
if err != nil {
return err
}
for container, _ := range inspect.Containers {
log.Infof("purge network %s: disconnecting container %s", network, container)
if err := cli.NetworkDisconnect(network, container, true); err != nil {
return err
}
}
return cli.NetworkRemove(network)
}